This site, part of Exploring Earth Investigation by McDougal Littell and TERC, examines how many protons, neutrons, and electrons are in common elements. The investigations "were designed to build students' knowledge...

The physicist Patricia Schwarz presents numerous animations, illustrations, and text dealing with the Big Bang Theory. Users can learn about the observations and knowledge that provide the framework for the theory. ...

The Particle Physics Department at Rutherford Appleton Laboratory (RAL) provides the Introduction to Particle Physics homepage. Particle physics is defined as "the study of the basic elements of matter and the forces...

At this website, the Hammes-Schiffer Research Group publicizes its research in theoretical and computational research of chemical and biological processes at Penn State University. Users can learn about its specific...